Paper-bag machine



(No Model.) 7

W. A. LORENZ 8: W. H; HONISS.

PAPER BAG MACHINE.

No. 377,314. Patented Jan. 31, 1888.

5 cwtoz was 18 Um no as N. PETERS. Phclwlilhogmphlr. Wuhinglmu D Q p we:

sure "rates FFICE XVILLIAM A. LORENZ AND WILLIAM H. HONISS, OF HARTFORD,CONNECTI- GUT, ASSIGNORS TO FELIX 1V. LEINBACH AND CLARENCE A. \VOLLE,

BOTH OF BETHLEHEH, PENNSYLVANIA.

PAPER BAG MACHINE.

SPECIFICATION forming part of Letters Patent No. 377,314, dated January31,1888.

Application filed March 7, 1887.

To all whom it may concern.-

Be it known that we, \VILLIAM A. LORENZ andVVILLIAM H. HONISS, ofHartford, Connecticut, have invented an Improvement in Paper-BagMachines, of which the following description and claim constitute thespecification, and which is illustrated by the accompanying sheet ofdrawings.

This invention is an apparatus for retracting a paper-bag blank alongthe surface on which itis lying in a machine wherein it is being madeinto a paper bag and folding over a certain flap appurtenant to thatblank.

This apparatus, together with its proper environment in a papenbagmachine, is shown in Figures 44, 45, 4.6, and 47 of the drawings ofLetters Patentofthe United States No.361,591, granted to us April 26,1887, on a paper-bag machine, and the same matter is briefly describedin the accompanying specification, but

is not claimed therein.

Fig. 1 of the present drawings is a side view of our present inventionand its proper environment, and Fig. 2 is a view of the same matter inanother position, while Fig. 3 is an elevation lookingin the directionof the arrow between Figs. 1 and 2, and Fig. A is an enlarged view ofparts of Fig. 1.

The numeral 1 indicates a retracting-arm pivoted on a pin, 2, andprovided with the roller 5, running in the camgroove 6, cut in thestationary cam-disk 7.

The retracting-clip 8 is rocked on the shaft 10, and that shaft ispivoted to the upper ends 5 of the arm 1 and is worked by the arm 11.That arm is forced in opposite directions alternately by collidingalternately with the stationary pins 12 and 13. The retracting-clip 8 isthus alternately opened and shut down upon 0 the top of the arm 1, andis firmly held in the alternate positions shown in Figs. 1 and 2 bymeans of the bolt 14, worked by the spring 15, pressing alternatelyagainst the opposite sides of the cam 16 on the shaft 10. The presser17,

5 upon the shaft 224, terminates in a surface having the contour of anarc of a circle, and, revolving in the direction of the arrow, operatesSerial No. 229,895. (No model.)

to hold the rear end of the bag-blank 18 down upon the periphery of thecylinder 180, so that it can be seized by the clip 8. The cylinder 180also carries at its sides a pair of side clips, 19, one member only ofwhich is shown in the drawings. These clips are counterparts, and areplaced at an angle to the sides of the cylinder, and oscillate uponstuds secured to cars attached to the cylinder. The outer ends of theside clips, 19, are bent inward toward the cylinder, and each of themhas two projections adapted to close over the periphery of the cylinder,and constructed and operating as particularly described in our saidLetters Patent No. 361,951. A duplication of the parts 1, 2, 5, 8, 10,11, 14, 15, and 16 is preferably placed on the diametrically-oppositeside of cylinder 180. The other parts of the drawings are identical withthe corresponding parts shown in our said Letters Patent.

The mode of operation is as follows: When the revolution of the cylindercarries the arm 11 into collision with the pin 12, the clip 8 clasps therear end of the bag-blank down upon the upper end of the arm 1, and thenthe roller 5 runs out of the eccentric part of the canrgroove 6, andthus causes the arm 1 to rock backward and to retract the bag-blankalong the periphery of the cylinder. That retraction occurs when theclips 19 have been rocked upon the cylinder and over the edges of thebag into the position shownin Fig. 1 of the present drawings, andparticularly described in our said Letters Patent. As the retractionoccurs, the flap 20 of the bag-blank is folded over from its positionshown in Fig. 1 to that shown in Fig. 2 by means of the side clips, 19,operating to prevent that flap from being retracted with the body of thebag-blank. This folding over is the special function of this invention.Afterward, when the further revolntion of the cylinder carries the arm11 into collision with the pin 13, the shaft 10 is rocked thereby, andthe bag-blank is thus released from the grasp of the clip 8.

A reciprocating blank carrying carriage may be provided with thisinvention; but in that case the arm 1 would be worked by a lonthe bodyof the bag-blank is retracted and the gitudinal cam groove, and the arm11 would flap 20 is folded over,substantial1y as described be slightlymodified in form. and shown.

We claim as our inventionv Dated March 4, 1887.

The combination of the arm 1,provided with 4 WILLIAM A. LORENZ. the cl1p8,-thepresserl7,hav1ng aworklng-sur- T face corresponding to theopposite surface un- 7 WILLIAM HOB der the bag-blank, and the pair ofclips 19,piv- Witnesses: oted, constructed, and operating substantially10 as pointed out the Whole being so arranged that ALBERT H. WALKER,HENRY L. REOKARD.

